387026388 has 144 divisors (see below), whose sum is σ = 1171183104. Its totient is φ = 105454080.

The previous prime is 387026317. The next prime is 387026389. The reversal of 387026388 is 883620783.

387026388 is a `hidden beast` number, since 3 + 8 + 7 + 0 + 2 + 638 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387026389) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 485206 + ... + 486002.

It is an arithmetic number, because the mean of its divisors is an integer number (8133216).

Almost surely, 2^387026388 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 387026388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (585591552).

387026388 is an abundant number, since it is smaller than the sum of its proper divisors (784156716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

387026388 is a wasteful number, since it uses less digits than its factorization.

387026388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902 (or 897 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 387026388 is about 19672.9862501858. The cubic root of 387026388 is about 728.7527259484.

The spelling of 387026388 in words is "three hundred eighty-seven million, twenty-six thousand, three hundred eighty-eight".